, the chairman of the joint chiefs of staff, acknowledged the uncertainty with a visit to troops in afghanistan. he has confidence that even if there is some sort of delay, everyone will get their back checks. >> closer to home, drivers on the bay bridge need to slow down, that's prompted new chp patrols. and we have more on how the spike was discovered. when you can expect more officers on duty. >> pull on to the curve and it is a median. >> the s-curve is starting. you can see the signs. you can feel the rumble that are going over. >> a barrage of speed deterrents from the lights to the signs. >> it is information overload when you get on the bridge, something they will not see are sensors. they have been there a couple of years and the data shows the drivers hit the curve on off peak hours are speeding up. >> we found the sensors that has been put up showed an increase 160 miles per hour. >> reporter: there was a time after this 2009 semi crash off the newly built s-curve that they were taking it with caution. tease days... >> people tend to drive faster than the speed limit. and chp does no